TROUBLESHOOTING
IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM, CONTACT YOUR AUTHORISED SERVICE DEALER.
| PROBLEM | POSSIBLE CAUSE | SOLUTION |
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Engine will not start: | 1. No spark. | 1. | Check spark. Remove sparking plug. Reattach |
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| the sparking plug cap and lay sparking plug on |
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| metal cylinder. Pull the starter rope and watch |
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| for spark at sparking plug tip. If there is no |
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| 2. | No fuel. |
| spark, repeat test with a new sparking plug. |
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| 2. | Push primer bulb until bulb is full of fuel. If |
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| bulb does not fill, primary fuel delivery system |
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| is blocked. Contact a service dealer. If primer |
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| bulb fills, engine may be flooded (see |
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| 3. | Flooded engine. |
| next item). |
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| 3. | Remove sparking plug, turn trimmer so |
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| sparking plug hole is aimed at the ground. |
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| Move choke lever to “RUN” and pull starter |
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| cord 10 to 15 times. This will clear excess fuel |
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| from engine. Clean and reinstall sparking plug. |
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| Pull starter three times with choke lever at |
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| “RUN”. If engine does not start, move choke |
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| lever to “CHOKE” and repeat normal starting |
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| procedure. If engine still fails to start, repeat |
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| 4. | Starter rope pulls harder now than |
| procedure with a new sparking plug. |
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| 4. | Contact a service dealer. |
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| when new. |
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Engine starts but will not | Carburettor requires adjustment. | Turn “H” needle anticlockwise 1/16 turn. If “L” |
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accelerate: |
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| low needle cannot be turned anticlockwise, do not |
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| force plastic limiter caps. Contact a service |
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| dealer. See Figure 18. |
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Engine starts but will only | Carburettor requires adjustment. | Turn “H” needle anticlockwise 1/16 turn. If “H” |
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run at high speed at half |
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| high needle cannot be turned anticlockwise, do |
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choke: |
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| not force plastic limiter caps. Contact a service |
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| dealer. See Figure 18. |
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Engine does not reach full | 1. | Check oil fuel mixture. | 1. | Use fresh fuel and the correct |
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speed and emits excessive | 2. | Air filter dirty. | 2. | Clean the air filter. Refer to “Replacing and |
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smoke: | 3. | Carburettor requires adjustment. |
| Cleaning the Air Filter ” earlier in this manual. |
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| 3. | Turn “H” needle clockwise 1/16 - 1/8 turn. |
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| See Figure 18. |
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Engine starts, runs, and | Carburettor requires adjustment. | Turn idle speed screw clockwise to increase |
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accelerates but will not idle: |
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| idle speed. |
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String will not advance: | 1. | String welded to itself. | 1. | Lubricate with silicone spray. |
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| 2. | Not enough string on spool. | 2. | Install more string. Refer to “String Replace- |
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| 3. | String worn too short. |
| ment” earlier in this manual. |
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| 3. | Pull strings while alternately pressing down on |
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| 4. | String tangled on spool. |
| and releasing spool retainer. |
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| 4. | Remove string from spool and rewind. Refer to |
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| 5. | Engine speed too slow. |
| “String Replacement” earlier in this manual. |
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| 5. | Advance string at full throttle. |
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14
